1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/accessibility/platform/ax_platform_text_boundary.h"
#include "build/build_config.h"
#include "ui/accessibility/ax_enums.mojom.h"
namespace ui {
#if BUILDFLAG(USE_ATK)
ax::mojom::TextBoundary FromAtkTextBoundary(AtkTextBoundary boundary) {
// These are listed in order of their definition in the ATK header.
switch (boundary) {
case ATK_TEXT_BOUNDARY_CHAR:
return ax::mojom::TextBoundary::kCharacter;
case ATK_TEXT_BOUNDARY_WORD_START:
return ax::mojom::TextBoundary::kWordStart;
case ATK_TEXT_BOUNDARY_WORD_END:
return ax::mojom::TextBoundary::kWordEnd;
case ATK_TEXT_BOUNDARY_SENTENCE_START:
return ax::mojom::TextBoundary::kSentenceStart;
case ATK_TEXT_BOUNDARY_SENTENCE_END:
return ax::mojom::TextBoundary::kSentenceEnd;
case ATK_TEXT_BOUNDARY_LINE_START:
return ax::mojom::TextBoundary::kLineStart;
case ATK_TEXT_BOUNDARY_LINE_END:
return ax::mojom::TextBoundary::kLineEnd;
}
}
#if ATK_CHECK_VERSION(2, 10, 0)
ax::mojom::TextBoundary FromAtkTextGranularity(AtkTextGranularity granularity) {
// These are listed in order of their definition in the ATK header.
switch (granularity) {
case ATK_TEXT_GRANULARITY_CHAR:
return ax::mojom::TextBoundary::kCharacter;
case ATK_TEXT_GRANULARITY_WORD:
return ax::mojom::TextBoundary::kWordStart;
case ATK_TEXT_GRANULARITY_SENTENCE:
return ax::mojom::TextBoundary::kSentenceStart;
case ATK_TEXT_GRANULARITY_LINE:
return ax::mojom::TextBoundary::kLineStart;
case ATK_TEXT_GRANULARITY_PARAGRAPH:
return ax::mojom::TextBoundary::kParagraphStart;
}
}
#endif // ATK_CHECK_VERSION(2, 10, 0)
#endif // BUILDFLAG(USE_ATK)
#if BUILDFLAG(IS_WIN)
ax::mojom::TextBoundary FromIA2TextBoundary(IA2TextBoundaryType boundary) {
switch (boundary) {
case IA2_TEXT_BOUNDARY_CHAR:
return ax::mojom::TextBoundary::kCharacter;
case IA2_TEXT_BOUNDARY_WORD:
return ax::mojom::TextBoundary::kWordStart;
case IA2_TEXT_BOUNDARY_LINE:
return ax::mojom::TextBoundary::kLineStart;
case IA2_TEXT_BOUNDARY_SENTENCE:
return ax::mojom::TextBoundary::kSentenceStart;
case IA2_TEXT_BOUNDARY_PARAGRAPH:
return ax::mojom::TextBoundary::kParagraphStart;
case IA2_TEXT_BOUNDARY_ALL:
return ax::mojom::TextBoundary::kObject;
}
}
ax::mojom::TextBoundary FromUIATextUnit(TextUnit unit) {
// These are listed in order of their definition in the Microsoft
// documentation.
switch (unit) {
case TextUnit_Character:
return ax::mojom::TextBoundary::kCharacter;
case TextUnit_Format:
return ax::mojom::TextBoundary::kFormatStart;
case TextUnit_Word:
return ax::mojom::TextBoundary::kWordStart;
case TextUnit_Line:
return ax::mojom::TextBoundary::kLineStart;
case TextUnit_Paragraph:
// According to MSDN, a paragraph in UI Automation should include any
// trailing whitespace after the paragraph. In essence this means that
// when finding the next or previous paragraph start position, we should
// skip any empty paragraphs, i.e. paragraphs with only whitespace in
// them.
return ax::mojom::TextBoundary::kParagraphStartSkippingEmptyParagraphs;
case TextUnit_Page:
// UI Automation's TextUnit_Page cannot be reliably supported in a Web
// document. We return kWebPage which is the next best thing.
case TextUnit_Document:
return ax::mojom::TextBoundary::kWebPage;
}
}
#endif // BUILDFLAG(IS_WIN)
} // namespace ui
|
